43928438400000 has 5280 divisors, whose sum is σ = 213987871899648. Its totient is φ = 8709120000000.

The previous prime is 43928438399987. The next prime is 43928438400013. The reversal of 43928438400000 is 483482934.

It is an interprime number because it is at equal distance from previous prime (43928438399987) and next prime (43928438400013).

It is a tau number, because it is divible by the number of its divisors (5280).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 618710399965 + ... + 618710400035.

Almost surely, 2^{43928438400000} is an apocalyptic number.

43928438400000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43928438400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106993935949824).

43928438400000 is an abundant number, since it is smaller than the sum of its proper divisors (170059433499648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43928438400000 is an equidigital number, since it uses as much as digits as its factorization.

43928438400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 43928438400000 in words is "forty-three trillion, nine hundred twenty-eight billion, four hundred thirty-eight million, four hundred thousand".